.theme-toggle-button {
    position: fixed;
    top: 10px;
    right: 30px;
    z-index: 100;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-toggle-button:hover {
    transform: scale(1.1);
}

.theme-transition-circle {
    position: fixed;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease-in-out, height 0.5s ease-in-out;
    z-index: 99;
    pointer-events: none;
    width: 0;
    height: 0;
}

.theme-transition-circle.expanding {
    width: 300vh;
    height: 300vh;
}

.theme-transition-circle.contracting {
    width: 0;
    height: 0;
}

.theme-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 98;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease-in-out;
}

.theme-overlay.active {
    opacity: 1;
}

.theme-overlay.dark {
    background-color: rgba(20, 20, 20, 0.9);
}

.theme-overlay.light {
    background-color: rgba(255, 255, 255, 0.9);
}

.app-container {
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}